| 摘要 |
PROBLEM TO BE SOLVED: To provide a cationic 3-aminopyrazolo-[1,5-a]-pyridine derivative or its salt of addition, to provide a composition for dyeing keratin fibers, in particular human keratin fibers(e.g. the hair) containing at least one specific cationic 3-aminopyrazolo-[1,5-a]-pyridine derivative or one of its salts of addition, and to provide a method for using this derivative. SOLUTION: The composition for dyeing keratin fibers makes it possible in particular to obtain fast dyeing of keratin fibers, resistant to light and to washing. COPYRIGHT: (C)2007,JPO&INPIT
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